Dr. Tsubokura's Radiation Lecture Vol.22

Author: Masaharu Tsubokura

Editors: Akihiko Ozaki M.D., Yuki Senoo

43. There are various causes of cancer

I am often asked if an exposure to high-level radiation would increase the risk of developing cancer. Before answering this question, I would like to talk about what cancer originally is.

Numerous cells which constitute our body send signals to each other, and each one of them plays its specific role according to its placement. These cells interact with one another so that our bodies are able to function as a single organism.

Malignant tumor or cancer is a situation that a part of such cells may become out of control, and start to proliferate unlimitedly, hindering essential functions of organs and other parts of bod